The Weinschel WA 46 is a fixed coaxial attenuator engineered for precise signal attenuation across RF and microwave frequencies from DC to 18 GHz. Built to MIL-DTL-3933 environmental specifications, this 50 ohm device delivers repeatable performance in test, measurement, telecommunications, and aerospace environments.
Technical Specifications
Frequency & Impedance:
• Nominal impedance: 50 ohms
• Operating range: DC to 18 GHz
Attenuation:
• Standard values: 3, 6, 10, 20, 30, and 40 dB
• Custom values available at additional cost
• Accuracy: ±0.5 dB (3–10 dB), ±0.75 dB (11–20 dB), ±1.0 dB (21–40 dB)
Impedance Matching:
• VSWR: 1.20:1 maximum (DC–8.0 GHz)
• VSWR: 1.25:1 maximum (8.0–12.4 GHz)
• VSWR: 1.35:1 maximum (12.4–18.0 GHz)
Power Handling:
• Average rated: 25 W at 25°C, de-rated linearly to 2.5 W at 125°C
• Peak power: 1 kW (5 µsec pulse width, 1.25% duty cycle)
• Power coefficient: < 0.0006 dB/dB/W (bidirectional)
Temperature Performance:
• Operating range: −55°C to +125°C
• Temperature coefficient: < 0.0004 dB/dB/°C
– Key Features
• Type N, SMA, or TNC connectors (male or female) with MIL-STD-348A compliance
• Low intermodulation option available for 10, 20, 30, and 40 dB models (specify "-LIM" suffix)
• Black aluminum alloy body with passivated stainless steel connectors
• Gold-plated beryllium copper or stainless steel contacts
• Compact form factor: 46.0 mm length × 38.1 mm diameter, approximately 0.11 kg
• RoHS compliant
– Typical Applications
• Test and measurement systems requiring stable attenuation to 18 GHz
• Telecommunications signal conditioning
• Aerospace RF circuit validation
• High-reliability environments demanding MIL-DTL-3933 compliance
– Compatibility & Integration
Connectors mate non-destructively per MIL-PRF-39012 interface standards. Configurations accommodate standard N, SMA, and TNC connectors. Custom attenuation values and low-intermodulation variants support specialized system integration requirements.
